Bananaman Posted May 11, 2005 Posted May 11, 2005 Anybody know how to work ot the BHP from Nm & RPM Quote
Liam Posted May 11, 2005 Posted May 11, 2005 Can you do that? I though Nm was force measurement and BHP was power measurement. I feel an egg on face moment coming on any second now Quote
Martin Keene Posted May 11, 2005 Posted May 11, 2005 I feel an egg on face moment coming on any second now Nm is a torque measurment, so it should be possible. Quote
Bananaman Posted May 11, 2005 Author Posted May 11, 2005 Can you do that? I though Nm was force measurement and BHP was power measurement. I feel an egg on face moment coming on any second now Isn't power derived from Torque x RPM. Quote
DickieB Posted May 11, 2005 Posted May 11, 2005 I'm sure there was an article in Westfield World recently on that..... Quote
DickieB Posted May 11, 2005 Posted May 11, 2005 In fact: Torque (ftlbs) = [Power (BHP) x 5252] / Engine rpm Quote
Bananaman Posted May 11, 2005 Author Posted May 11, 2005 give me the specifics nanas, i ll head to my lab Right then............................ I've just bought a chip box thingy for my new Pimp Mobile Standard 135 KW / 184 BHP 390 Nm @ 1750 RPM. Optimised Gains 159 KW / 216 BHP + 32 bhp 490 Nm @ 2000 RPM + 100 Nm Just wondering if you can tell where peak power is achived? Another Chiptuner Now the Nm figure here is higher @ a lower RPM so just wondering if the Torque curve is flatter for the unit i have bought ??????? Maybe something like this Quote
Bananaman Posted May 11, 2005 Author Posted May 11, 2005 In fact: Torque (ftlbs) = [Power (BHP) x 5252] / Engine rpm OK whats Nm v ftlbs then... Quote
Kev Bamber Posted May 11, 2005 Posted May 11, 2005 Anybody know how to work ot the BHP from Nm & RPM Power (Watts) = Torque (nm) x angular velocity (Radians/sec) Radians/sec = 2 x pi rpm/60 1hp = 750.4 Watts Yes, torque is a rotational force - and a continually mis-used term to describe what is really transient or mid-range power, i.e. power developed at rpm's other than where maximum is developed. Quote
Kev Bamber Posted May 11, 2005 Posted May 11, 2005 Interesting article here Interesting article but misleading almost to the point of being completely wrong. It's a barstool explaination at its worst! Quote
JeffC Posted May 11, 2005 Posted May 11, 2005 was it a box that basically plugs between the common rail connector on the back of the head or ecu remap? the boxes dont quite get the gains of the remap and the power increase differs.. on the tuning boxes ive fitted in the past on 330ds they seem to give an steady increase in power all the way through the revs. the ecu mod on my 530d gave it a big lump more at 1800 revs then much stronger all the way through to the redline... guessing peak torque will be at same revs but a higher figure, on boxes they normally quote 50nm extra.. Quote
Bananaman Posted May 12, 2005 Author Posted May 12, 2005 Standard 135 KW / 184 BHP 390 Nm @ 1750 RPM. Optimised Gains 159 KW / 216 BHP + 32 bhp 490 Nm @ 2000 RPM + 100 Nm From these people.. www.speed-buster.co.uk Quote
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